Home / 10,844.20-14,964.42-6,128.20

Finding the Fourth Proportional to 10,844.20, 14,964.42 and 6,128.20

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Solution

The fourth proportional to 10,844.20, 14,964.42 and 6,128.20 is: 8,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.20 : 14,964.42 = 6,128.20 : x
  2. Step 2: Convert to fraction form
    10,844.20/14,964.42 = 6,128.20/x
  3. Step 3: Cross multiply
    10,844.20x = 14,964.42 × 6,128.20
  4. Step 4: Simplify right side
    10,844.20x = 91,704,958.64
  5. Step 5: Solve for x
    x = 91,704,958.64/10,844.20
  6. Step 6: Final answer
    x = 8,456.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.